# 4-pole 3.5 mm jack adapter PREMIUMCORD kjr-50, 30 cm cable length

**URL:** https://aio.lv/en/product--premiumcord-kjr-50--4383850
**Data updated:** 2025-12-29 17:18 (EET)
**Category:** Audio & Video Cables
**Manufacturer:** PREMIUMCORD
**Manufacturer code:** kjr-50
**EAN:** 8592220021252
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--premiumcord-kjr-50--4383850

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

PREMIUMCORD kjr-50 is a 4-pole 3.5 mm jack adapter with a 30 cm cable. Designed for connecting headsets with microphone and stereo audio to compatible devices, it preserves left/right audio channels and microphone signal. Compact and portable, it is suitable for mobile phones, laptops and audio players where a 4-pole connection is required.

## Long description

PREMIUMCORD kjr-50 is a 4-pole 3.5 mm jack adapter with a 30 cm cable designed to connect headsets with a microphone and stereo audio to devices that accept a 4-pole TRRS connection. The adapter maintains left and right stereo channels and transmits the microphone signal, providing a compact and portable solution for mobile phones, laptops and audio players requiring a single 4-pole connector.
Advantages
The adapter supports TRRS 4-pole wiring for combined audio and microphone functionality and preserves channel separation for stereo sound. Its 30 cm cable offers flexibility and prevents strain on the connector while remaining compact for everyday portability. Built to industry-standard 3.5 mm dimensions, it is compatible with devices and headsets that use a 4-pole jack.
Suitable for
Connecting smartphone headsets with microphone to phones and tablets with a 4-pole jack
Using headset microphone and stereo audio with laptops and notebooks that support TRRS
Connecting portable audio players and recorders that require a 4-pole connection
Key specifications
Connector: 3.5 mm TRRS (4-pole) jack
Cable length: 30 cm
Model: PREMIUMCORD kjr-50
Brand: PREMIUMCORD
MPN: kjr-50
EAN: 8592220021252
Category: Audio / Video cables
How to use
Insert the 3.5 mm TRRS plug of the adapter into the device's 4-pole jack. Plug the headset with microphone into the adapter's socket or plug, ensuring the connection is fully seated. Adjust device audio settings to select the connected headset as input and output if required. Avoid excessive bending near the connector to prolong cable life.
Usage recommendations
Use the adapter with compatible 4-pole headsets and devices that support TRRS wiring standards; if audio or microphone does not work, verify device settings and headset wiring compatibility.

## FAQ

### How much does the 4-pole 3.5 mm jack adapter PREMIUMCORD kjr-50 cost, and is it available for purchase?

The price is 5.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 26 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All PREMIUMCORD products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized PREMIUMCORD service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/4383850/51218864_large.webp